Original Wetlands Survey Circa 1780:     9,800,000 acres

1954:                                      2,791,000

National Wetlands Inventory, mid-1980's     5,331,000

Change (percent)                      -46

National Wildlife Refuges

Horicon NWR, 4279 Headquarters Rd., Mayville, WI 53050

La Crosse District, PO Box 415, La Crosse, WI 54601-0415

Leopold WMD, W.4279 Headquarters Rd., Mayville, WI 53050

Necedah NWR 7996-20th St.W., Necedah, WI 54646-7531

St. Croix WMD, 146 W.2nd St., New Richmond, WI 54017